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      Relação entre bruxismo e o grau de sintomatologia de disfunção temporomandibular Translated title: The relationship between the bruxism and the severity of symptoms in the temporomandibular disorder

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          Abstract

          OBJETIVO: verificar a ocorrência de bruxismo em sujeitos adultos do sexo feminino com queixa de disfunção temporomandibular e sua relação com o grau de sintomatologia da disfunção. MÉTODOS: participaram deste estudo 28 mulheres na faixa etária de 19 a 56 anos, que apresentavam sintomas de disfunção temporomandibular e que não haviam realizado tratamento anterior. Todas responderam o questionário de Índice Anamnésico proposto por Fonseca et al (1994), o qual possibilita a classificação do grau de sintomatologia de disfunção temporomandibular e verificação da queixa do hábito parafuncional bruxismo; e realizaram uma avaliação odontológica, constituída de exame da musculatura mastigatória, por meio de palpação digital intra e extra-oral, inspeção das articulações temporomandibulares e exame dental. Os resultados foram analisados descritivamente e, para verificar a relação entre o grau de severidade da disfunção temporomandibular com a ocorrência de bruxismo, foram realizados o Teste de Independência do Qui-quadrado e o Teste Exato de Fisher, ambos ao nível de significância de 5%. RESULTADOS: verificou-se que o bruxismo esteve presente em 50% dos casos de disfunção temporomandibular. Não houve relação entre o bruxismo e o grau de sintomatologia de disfunção temporomandibular, estabelecido pelo Índice Anamnésico. CONCLUSÃO: os resultados deste estudo sugerem que sujeitos com sintomas de disfunção temporomandibular devem ser questionados e avaliados quanto à presença de bruxismo, independentemente do grau de sintomatologia da disfunção. Assim como deve ser realizado diagnóstico e tratamento do bruxismo em sujeitos assintomáticos de disfunção temporomandibular como forma de prevenir o desenvolvimento de lesões nas articulações temporomandibulares e demais estruturas do sistema estomatognático.

          Translated abstract

          PURPOSE: to check the occurrence of bruxism in female gender adult subject, with temporomandibular jaw dysfunction and its association with the level of temporomandibular symptoms. METHODS: 28 women, with ages between 19 and 56 years, who had temporomandibular jaw dysfunction and had not been submitted to a preview treatment, made part of this study. All subjects answered a questionnaire written by Fonseca et al (1994) entitled Anamnesic Index, that enabled us to classify temporomandibular jaw symptoms level and also to check the symptoms of this oral parafunction behavioral bruxism; the subjects were submitted an odontological evaluation, that was composed by an exam of masticatory muscles, though the digital touch in the oral and extra-oral muscles, examination in the temporomandibular joint and a teeth examination. The results were analyzed in a descriptive form, and in order to check the relationship between the severity level of temporomandibular dysfunction with the bruxism occurrence Independent Square-Qui test and the Fisher test were used with a statistic significance of 5%. RESULTS: it was observed the parafuntional habit was presented in 50% of the cases with temporomandibular dysfunction. It wasn't possible a relationship between bruxism and the level of symptoms in temporomandibular jaw dysfunction, by Anamnesic Index. CONCLUSION: the results of this study suggest that subjects with symptoms of temporomandibular jaw dysfunction must be asked and evaluated about bruxism, regardless of the level of temporomandibular dysfunction. Besides this, it is important to investigate the diagnosis and the treatment of bruxism also in patients without temporomandibular jaw dysfunction in order to prevent development of lesions in the temporomandibular joints and the other structures of the stomatognatic system.

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          Most cited references24

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          Tratamento das desordens temporomandibulares e oclusão.

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            Principles for the management of bruxism.

            The management of bruxism has been the subject of a large number of studies. A PubMed search, using relevant MeSH terms, yielded a total of 177 papers that were published over the past 40 years. Of these papers, 135 were used for the present review. Apparently, research into bruxism management is sensitive to fashion. Interest in studying the role of occlusal interventions and oral splints in the treatment of bruxism remained more or less constant over the years: between 1966 and 2007, approximately 40-60% of the papers dealt with this subject. The percentage of papers that dealt with behavioural approaches, on the other hand, declined from >60% in the first 2 decades (1966-1986) to only slightly >10% in the most recent decade (1997-2007). In the latter period, >40% of the papers studied the role of various medicines in the treatment of bruxism, while in the preceding decade (1987-1996), only approximately 5% of the studies dealt with the pharmacological management of bruxism. Unfortunately, a vast majority of the 135 papers have a too low level of evidence. Only 13% of the studies used a randomized clinical trial design, and even these trials do not yet provide clinicians with strong, evidence-based recommendations for the treatment of bruxism. Hence, there is a vast need for well-designed studies. Clinicians should be aware of this striking paucity of evidence regarding management of bruxism.
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              Caracterização dos pacientes de um ambulatório de disfunção temporomandibular e dor orofacial

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcefac
                Revista CEFAC
                Rev. CEFAC
                CEFAC Saúde e Educação (São Paulo )
                1982-0216
                June 2010
                : 12
                : 3
                : 427-433
                Affiliations
                [1 ] Secretaria Municipal de Saúde Brazil
                [2 ] Universidade Federal de Santa Maria Brazil
                [3 ] Universidade Federal de Santa Maria Brazil
                [4 ] Universidade Federal de São Paulo Brazil
                Article
                S1516-18462010000300010
                10.1590/s1516-18462010005000046
                05a46bb1-2715-4ecb-9c90-e269ca26285c

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1516-1846&lng=en
                Categories
                REHABILITATION

                Physiotherapy
                Bruxism,Facial Pain,Temporomandibular Joint Dysfunction Syndrome,Bruxismo,Dor Facial,Síndrome da Disfunção da Articulação Temporomandibular

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